Grandidierite
(Mg,Fe²⁺)(Al,Fe³⁺)₃(SiO₄)(BO₃)O₂
Nesosilicate mineral
Properties
- Chemical formula
- (Mg,Fe²⁺)(Al,Fe³⁺)₃(SiO₄)(BO₃)O₂
- Group
- Silicates
- Crystal system
- Orthorhombic
- Hardness (Mohs)
- —
- Color
- Blue
- Luster
- —
- Streak
- White
- Density
- —
- Cleavage
- —
- Fracture
- —
- Tenacity
- —
- Crystal habit
- —
- Transparency
- —
- Space group
- —
- Fluorescence
- —
- Magnetism
- —
- Radioactivity
- —
- Refractive index
- —
- Optical character
- —
- Birefringence
- —
- Pleochroism
- —
- Strunz classification
- 9.AJ.05
- Dana classification
- —
- IMA status
- Grandfathered mineral (G)
- IMA symbol
- Gdd
- Locality
- —
- Type locality
- —
- Discovery year
- —
Etymology
Named after Alfred Grandidier
Source: Wikidata
For sale on the marketplace
View all →
No offers for Grandidierite at the moment. Browse the marketplace →
